Register
Solve for r:2r+7=13 Please help?
86.1k views
3 votes
Solve for r:2r+7=13
Please help?

User TomZ
by
4.8k points

1 Answer

0 votes
Hiya!

Switch the equation around:

2r + 7 = 13 ⇒ 13 - 7 = 2r

The sign changes when moved to the other side( + to -)

13 - 7 = 6


(6)/(2) = (2r)/(2)

r = 2
User Eckig
by
5.3k points
Ask a Question
Welcome to QAmmunity.org, where you can ask questions and receive answers from other members of our community.

5.7m questions

7.5m answers

Other Questions

Aliyah has $24 to spend on seven pencils. After buying them she had $10. How much did each pencil cost?
Evaluate a + b when a = –16.2 and b = –11.4 A. –27.6 B. –4.8 C. 4.8 D. 27.6
What is the value of x? (-4) - x = 5
Can someone help me with 5??? ASAP?
Solve for h 3h=7(2/7-3/7h)-10
Link Copied!